PLANET MARS EXPLORATION
The USA and the USSR dedicated a large amount of human and material resources so that show the world the […]
The Hubble Space Telescope
Hubble is a robotic telescope installed at the outer edges of the atmosphere, in a circular orbit around the Earth, […]
Distance from Earth to Moon
How and when the distance from the Earth to the Moon was measured The ancient Greeks calculated the distance from […]
ESA European Space Agency
The European Space Agency (ESA) is an organization made up of 22 European states, based in Paris, dedicated to space […]